De Koog, Netherlands offers 12 beaches perfect for sunbathing, surfing, swimming, and more. De Koog is known for its proximity to the Dunes of Texel National Park and Ecomare. The best time to travel to De Koog, Netherlands, is from June to August, when the average air temperature is around 18°C (64°F) and the water temperature is approximately 17°C (63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!